| agrostemma | (n) a caryophylloid dicot genus including corn cockles, Syn. genus Agrostemma |
| corn cockle | (n) European annual having large trumpet-shaped reddish-purple flowers and poisonous seed; a common weed in grainfields and beside roadways; naturalized in America, Syn. corn campion, crown-of-the-field, Agrostemma githago |
| Agrostemma | n. |